diff --git a/expectations.md b/expectations.md
index 8a9d182..1201a1f 100644
--- a/expectations.md
+++ b/expectations.md
@@ -105,6 +105,7 @@ With the Pest expectation API, you have access to an extensive collection of ind
 - [`toHaveCamelCaseKeys()`](#expect-toHaveCamelCaseKeys)
 - [`toHaveStudlyCaseKeys()`](#expect-toHaveStudlyCaseKeys)
 - [`toHaveSameSize()`](#expect-toHaveSameSize)
+- [`toBeEmail()`](#expect-toBeEmail)
 - [`toBeUrl()`](#expect-toBeUrl)
 - [`toBeUuid()`](#expect-toBeUuid)
 
@@ -821,6 +822,15 @@ This expectation ensures that the size of `$value` and the provided iterable are
 expect(['foo', 'bar'])->toHaveSameSize(['baz', 'bazz']);
 ```
 
+<a name="expect-toBeEmail"></a>
+### `toBeEmail()`
+
+This expectation ensures that `$value` is a valid email address.
+
+```php
+expect('user@example.com')->toBeEmail();
+```
+
 <a name="expect-toBeUrl"></a>
 ### `toBeUrl()`